10.甲、乙兩質點相距d,質量分別爲4m與m,若在甲、乙間另置一質點,使該質點受甲與乙之萬有引力値相等,則該質點與甲的距離爲(A)
【蝦皮:教育學程考題彙編(教】評論
X(A)物質X匱乏時,冰棒即是美食☆ →...